Cita APA (7th ed.)

Huke, R. E. (1963). Shadows on the land: An economic geography of the Philippines. Bookmark.

Cita Chicago (17th ed.)

Huke, Robert E. Shadows on the Land: An Economic Geography of the Philippines. [Manila: Bookmark, 1963.

Cita MLA (9th ed.)

Huke, Robert E. Shadows on the Land: An Economic Geography of the Philippines. Bookmark, 1963.